Tire valve



May s, 1928. 1,6694206 E. v. MYERS TIRE VALVE Filed March 25. 1921 [rareraor @2 22 Z%@fi Patented May 8, 1928.

UNITED STATES EUGENE V. MYERS, OF EAST ORANGE, NEW JERSEY, INCORPORATED, OE BROOKLYN, NEW YORK, A

CORPORATION on NEW YORK.

TIRE VALVE.

Original application filed May 22, 1917, Serial .No. 170,179. Divided and this application filed March 25,

This a alication is a division of m co- Pl pending application, Serial No. 170,179, filed May 22, 1917, and is directed to one form of the tire valve stem set forth therein.

Valves for pneumatic tires usually comprise a long casing member commonly called a valve stem which is providedwith a bore from end to end. The maximum diameter of such casings is limited due to the condition that the valve must pass through a hole in the vehicle rim, and such hole is limited in size. Hence the internal bore must neces sarily be of small dimensions. In those constructions wherein the valve casing is provided with a reduced nipple at its inner end the diameter of this bore is still further limited.

lVithin the bore is usually located a valve seat and a valve plunger, together with a spring for operating the plunger, and these parts are customarily made separately and inserted within the bore by screwing them in.

The valve casings as thus described have almost invariably been made of brass owing to the fact that the valves in use aresubjected to wet and moisture and would speedily rust if not formed of a non-rust- 111g metal. It is particularly desirable that the inner parts of the valve casing-and particularly the portions near the lnner end shall be rust-proof, since it is at these pore tions that the actual working parts of the valve are located. It has also been customary to nickel-plate the casings but it is found in practice that the nickel-plating does not extend to any material extent into the bore of the valve casing.

The most expensive part of the valve is the casing and it materially increases the costthereof to construct it of brass or other expensive non-corrodin metal. The object of the present invention is to reduce the cost of the casing by forming it at least in part of steel or other cheap metal in such manner as to avoid the deleterious effects of rust, particularly on the inner part of the casing.

In the drawings, I have shown one method of accomplishing this result.

shown at B and a line of Serial No. 455,621.

Referring to the drawings:

Figure 1 is a side elevation of a valve stem embodying my invention.

Fig. 2 is an enlarged longitudinal sectional view of the foot portion thereof.

Referring to the drawings, let A indicate;

the valve stem as a whole, and B the foot portion thereof. The valve stem may be made of any cheap oxidizable metal, such as iron or steel, while the foot portion is preferably 'made of some rust resisting metal, such as; brass. The foot portion, as dis closed, consists of ahead B and an integral collar or flange B", which is forcefitted or otherwise mounted upon the sleeve B, which may be integral withthe valve stem A. When the foot portion B is mounted on the sleeve B without force fitting one part over the other, the sleeve may be upset on the under side of the foot portion, as solder may be employed at B to form a leak-tight joint between the parts. However, when the foot portion is force fitted over'the sleeve, a fluid-tight joint results from the flowing of the metal during this operation.

This construction might be considerably varied, and is adaptable for metals of similar character.

While I have shown and described one form of the invention, it will be understood that I do not Wish to be limited thereto, since various changes can be made therein, without departing from the spirit of the invention.

What is claimed is:

A valve stem or the'like comprising a shell and a flange which forms the foot portion of the stem, the shell having a reduced I between the parts. I In Witness whereof, I have hereunto signed my name.

EUGENE. V. MYERS.

ASSIGNOR TO A. SCH RADEBS SON, 

